Uncategorized
Inventor
Country: United States Of America
Arc lamp
Dynamo
Dynamo regulator
Improvements in dynamo-electric machines
Improvements on dynamo-electric armatures
Arc lamp
Dynamo
Dynamo regulator
Improvements in dynamo-electric machines
Improvements on dynamo-electric armatures
LandOfFree
Elmer A. Sperry does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Elmer A. Sperry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elmer A. Sperry will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-192747